Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation
The Russian threat actors recently linked to the exploitation of a now-patched vulnerability in Zimbra have been observed exploiting another...
Zimbra
Russian APT targets Ukraine via Zimbra XSS flaw CVE-2025-66376
Russian APT targets Ukraine via Zimbra XSS flaw CVE-2025-66376 Pierluigi Paganini March 19, 2026 Russian APT exploits a critical XSS...
U.S. CISA adds Microsoft SharePoint and Zimbra flaws to its Known Exploited Vulnerabilities catalog
U.S. CISA adds Microsoft SharePoint and Zimbra flaws to its Known Exploited Vulnerabilities catalog Pierluigi Paganini March 18, 2026 U.S....
